His 1954 "Parkies" hockey card lists him as an all-star centre for the Montreal Canadiens, "starting his 11th season with the Canadiens." In the 1953-1954 season, he was 6'1", 170 lbs. "Shoots left".[1] In that season, he played 67 games and had 22 goals and 24 assists. He was also a "top notch defensive player and has been used many times in penalty killing roles. During the summer he works building boxcars, swinging a sledge hammer all day to keep in top physical shape."

Mosdell died January 5, 2006 at the age of 83. His health had declined steadily after suffering a stroke three years previously.